RobertPuller03 RobertPuller03
  • 24-11-2017
  • Mathematics
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lois is four times as her son dan . the sum of their ages is 40 how old is dan

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s066209
s066209 s066209
  • 24-11-2017
l=4d
l+d=40
4d+d=40
5d=40
d=8 years old
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